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How do I choose the developments?

When you are at the stage of choosing your development, it means you have already chosen the core topic of your project which is in itself the most difficult part! When you have to select the subsequent deve...
EC
Answered by Elisabetta C. • Art tutor
2166 Views

Essere o Avere? How to pick the right auxiliary for Italian verbs.

Italian, unlike English, has two different auxiliary verbs: Essere and Avere. Similarly to English, auxiliaries in Italian are mainly used to support other verbs when forming composite tenses, such as Passat...
EM
Answered by Elisa M. • Italian tutor
14873 Views

Solve simultaneously x + y = 1, 2x + 3y =9

To solve this problem I would begin by rearranging the first equation to equal X.1) x + y = 1 -> x = 1 - yI would then substitute this into the second equation.2) 2x + 3y = 9 -> 2(1-y) + 3y = 9Then mul...
IC
Answered by Isabel C. • Maths tutor
3916 Views

Explain what is meant by "volatile" and "non-volatility" memory, their uses, and the difference between them

The contents of volatile memory, also known as flash memory, is not preserved when the device is turned off, unlike non-volatility memory, also known as persistent memory, which can be used for long term dat...
TB
Answered by Thomas B. • Computing tutor
7063 Views

You are given a sequence of numbers: -2, 12, 32, 58, 90, ... Work out the 7th term in this sequence.

This is a question from Higher Tier and involves 1) realising that 2nd difference is a constant: 6. 2) knowing that constant 2nd difference implies the sequence is quadratic. 3) remembering or proving that c...
MV
Answered by Maxym V. • Maths tutor
5994 Views